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Updated: Jan 25, 2026

Rapid Mix Preparation of Bioinspired Nanoscale Hydroxyapatite for Biomedical Applications
Published on: February 23, 2017
Freeze-dried magnesium doped hydroxyapatite for biomedical applications
Daniela Predoi1, Simona Liliana Iconaru1, Steluţa Carmen Ciobanu1
1National Institute of Materials Physics, Atomistilor Street, No. 405A, P.O. Box MG 07, Magurele 077125, Romania.
This study introduces novel magnesium-doped hydroxyapatite bioceramics (1.5MgHAp-LF and 5MgHAp-LF) synthesized via co-precipitation and lyophilization. These materials demonstrate excellent biocompatibility and support osteoblast-like cell growth, indicating potential for advanced biomedical applications.
Area of Science:
- Biomaterials Science
- Materials Chemistry
- Bioceramics Engineering
Background:
- Hydroxyapatite (HAp) is a key biomaterial for bone regeneration.
- Magnesium doping can enhance HAp properties for biomedical applications.
- Developing novel synthesis methods is crucial for advanced bioceramics.
Purpose of the Study:
- To synthesize and characterize magnesium-doped hydroxyapatite (MgHAp) bioceramics.
- To evaluate the structural, chemical, and surface properties of the synthesized materials.
- To assess the biological performance, including biocompatibility and osteoconductivity, of MgHAp for potential biomedical use.
Main Methods:
- Modified co-precipitation and lyophilization for MgHAp synthesis.
- X-ray diffraction (XRD), FTIR, SEM, AFM, and SAM for material characterization.
- MG63 cell line assays (MTT, fluorescence microscopy, metallographic microscopy) for biological evaluation.
Main Results:
- Successful synthesis of 1.5MgHAp-LF and 5MgHAp-LF with hexagonal hydroxyapatite structure.
- Increased magnesium content led to reduced peak intensity and peak broadening in XRD.
- Surface analyses revealed enhanced topographical order and complexity with higher magnesium content.
- Both MgHAp samples exhibited good biocompatibility and effectively supported MG63 cell attachment and growth.
Conclusions:
- The developed MgHAp bioceramics show promising potential for bone regeneration applications.
- Magnesium doping positively influences the surface topography and osteoconductive properties.
- These novel bioceramics are suitable for the development of advanced biomaterials in the biomedical field.
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